test_vspltb_1:
  #_ REGISTER_IN v4 [00010203, 04050607, 08090A0B, 0C0D0E0F]
  vspltb v3, v4, 0
  blr
  #_ REGISTER_OUT v3 [00000000, 00000000, 00000000, 00000000]
  #_ REGISTER_OUT v4 [00010203, 04050607, 08090A0B, 0C0D0E0F]

test_vspltb_2:
  #_ REGISTER_IN v4 [00010203, 04050607, 08090A0B, 0C0D0E0F]
  vspltb v3, v4, 1
  blr
  #_ REGISTER_OUT v3 [01010101, 01010101, 01010101, 01010101]
  #_ REGISTER_OUT v4 [00010203, 04050607, 08090A0B, 0C0D0E0F]

test_vspltb_3:
  #_ REGISTER_IN v4 [00010203, 04050607, 08090A0B, 0C0D0E0F]
  vspltb v3, v4, 0xF
  blr
  #_ REGISTER_OUT v3 [0F0F0F0F, 0F0F0F0F, 0F0F0F0F, 0F0F0F0F]
  #_ REGISTER_OUT v4 [00010203, 04050607, 08090A0B, 0C0D0E0F]
